64839194 has 8 divisors (see below), whose sum is σ = 111152928. Its totient is φ = 27788220.

The previous prime is 64839167. The next prime is 64839199. The reversal of 64839194 is 49193846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64839199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315672 + ... + 2315699.

It is an arithmetic number, because the mean of its divisors is an integer number (13894116).

Almost surely, 2^64839194 is an apocalyptic number.

64839194 is a deficient number, since it is larger than the sum of its proper divisors (46313734).

64839194 is a wasteful number, since it uses less digits than its factorization.

64839194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631380.

The product of its digits is 186624, while the sum is 44.

The square root of 64839194 is about 8052.2788078903. The cubic root of 64839194 is about 401.7407344533.

The spelling of 64839194 in words is "sixty-four million, eight hundred thirty-nine thousand, one hundred ninety-four".